JPS5643524B2 - - Google Patents

Info

Publication number
JPS5643524B2
JPS5643524B2 JP11954776A JP11954776A JPS5643524B2 JP S5643524 B2 JPS5643524 B2 JP S5643524B2 JP 11954776 A JP11954776 A JP 11954776A JP 11954776 A JP11954776 A JP 11954776A JP S5643524 B2 JPS5643524 B2 JP S5643524B2
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP11954776A
Other languages
Japanese (ja)
Other versions
JPS5345221A (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP11954776A priority Critical patent/JPS5345221A/ja
Priority to US05/839,467 priority patent/US4170788A/en
Publication of JPS5345221A publication Critical patent/JPS5345221A/ja
Publication of JPS5643524B2 publication Critical patent/JPS5643524B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/10—Structure or manufacture of housings or shields for heads
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
    • G11B5/21—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features the pole pieces being of ferrous sheet metal or other magnetic layers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/40—Protective measures on heads, e.g. against excessive temperature 

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP11954776A 1976-10-05 1976-10-05 Magnetic head Granted JPS5345221A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP11954776A JPS5345221A (en) 1976-10-05 1976-10-05 Magnetic head
US05/839,467 US4170788A (en) 1976-10-05 1977-10-04 Magnetic head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11954776A JPS5345221A (en) 1976-10-05 1976-10-05 Magnetic head

Publications (2)

Publication Number Publication Date
JPS5345221A JPS5345221A (en) 1978-04-22
JPS5643524B2 true JPS5643524B2 (enrdf_load_stackoverflow) 1981-10-13

Family

ID=14763996

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11954776A Granted JPS5345221A (en) 1976-10-05 1976-10-05 Magnetic head

Country Status (2)

Country Link
US (1) US4170788A (enrdf_load_stackoverflow)
JP (1) JPS5345221A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5924958A (ja) * 1982-07-27 1984-02-08 Sumitomo Special Metals Co Ltd 薄膜磁気ヘッド用基板の製造方法
JPH061528B2 (ja) * 1985-09-27 1994-01-05 株式会社三協精機製作所 磁気ヘツドの組み立て方法
DE3769301D1 (de) * 1986-12-03 1991-05-16 Philips Nv Magnetkopf mit einem elektro-chemisch inerten spalt aus hartem material.
US5023739A (en) * 1988-02-15 1991-06-11 Matsushita Electric Industrial Co., Ltd. Tape cassette with a trapping layer having a corrosiveness which is equal to or higher than that of the magnetic recording layer on the tape
NL9100192A (nl) * 1991-02-04 1992-09-01 Philips Nv Magneetkop.
WO1994018671A1 (en) * 1993-02-12 1994-08-18 Datacard Corporation Magnetic stripe read/write head

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2928907A (en) * 1955-03-17 1960-03-15 Curtiss Wright Corp Multiple magnetic head unit
GB1227704A (enrdf_load_stackoverflow) * 1968-03-15 1971-04-07

Also Published As

Publication number Publication date
US4170788A (en) 1979-10-09
JPS5345221A (en) 1978-04-22

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